Improvement in oil wells



@uitrit tsts @anni i @frn IMPROVEMENT INOIL WELLS.

SPECIFICATIQN. TO ALL WHOM IT MAY CONGERN:

,Be it known that I, THOMAS M. FOSTER, of Union Mills, in the county of Erie, and Stateof Pennsylvania, have invented a new and useful Improvement in Oil Wells; and' I do hereby declaretthat the following is a full,

clear, and exact description thereof, which will enable others skilled in the art to make and use the same, reference beingd'iad to the accompanying drawings forming part of this speciication. l 4 p The present invention relates particularly to the sucker-rods, so called, used in oil wells, and its object is to preserve the tubing and economize expense. The sucker-rods first used Awere made of ordinary gas-pig, but

owing totheir great length in proportion to their size, they'soou'became bent, and wearing the sides of the tubes I were consequently abandoned, and wooden sucker-rods introduced, thelatter being made in sections of suitable lengths, joined together with iron straps riveted to the wood. The great objection tothe wooden rods, however, was, that as the wood became soaked with oil, which occurs very soon', the rivetsnsed forsecuring its' sections together, draw out and falling into the well render it necessary to withdraw the tubingy to remove the rivets,

which, as is well known, is an expensive and tedious operation, or otherwise they would injure the working-barrel of the pump and moreover, the too frequeutdrawing of the tubing is inclined to injure the well. By my improve-` ment embraced in the present inventionall the' advantages of a wooden sucker-rod are obtained without any` of its objections, it consisting .in making the` sucker-rod of gas-pipe as hitherto, and in sections` say eachv of `fifteen feet in length or thereabouts, and puttogether with the ordinary sucker-rod joint, and a wooden collar of about ten and a. half inches long, slipped over the rod at the joint the said wooden collar being muchlarger than the rod, so as'to prevent the rod from coming 'in contact with the-tubing; but of the same size as the ordinarywooden sucker-rods, thus leaving thel same space for the flow of oil in the tube. I

v In accompanying plate of drawings my improvement in sucker-rods is illustrated, the figure being a central section through. the same taken in ,the direction of itslength.

A, in the drawings, represents a portion of ,a sucker-rod, made of the ordinarygas-pipe, used therefor, and i preparedvto receive the wooden collar or sleeve, B a a the ordinary and common gas-pipe couplings, joining the two sections of the sucker-rod marked AAZ, inthe drawings, together through the connecting `piece of pipe, I), over which and the couplings, a, fits the collar B, herein before referred to, whereby it is rmly held in place. On each end of the wooden collar an iron ferrule, E,'is secured. l

I claim als new, and desire to secure by Letters Patent- The sleeve B, sections A A, couplings a` a, connecting piece I), and fel-rule combined and operating sulp-` stantially as described, as and for the purpose specied. i

THOMAS NL FOSTER.

itnesses:

WM. O. JACKSON, IJ. H. BLADE. 

